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Finding the Fourth Proportional to 138,743.37, 191,465.84 and 75,081.16

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Solution

The fourth proportional to 138,743.37, 191,465.84 and 75,081.16 is: 103,612.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,743.37 : 191,465.84 = 75,081.16 : x
  2. Step 2: Convert to fraction form
    138,743.37/191,465.84 = 75,081.16/x
  3. Step 3: Cross multiply
    138,743.37x = 191,465.84 × 75,081.16
  4. Step 4: Simplify right side
    138,743.37x = 14,375,477,367.57
  5. Step 5: Solve for x
    x = 14,375,477,367.57/138,743.37
  6. Step 6: Final answer
    x = 103,612.00

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